Feature 1 Tailored Fit Design: This 42mm 6 point water sensor wrench is engineered to remove and install the water sensor on 2012 and newer 6.6L diesel engines' fuel filters. It also fits for Cummins 6.7L engine. Replaces OEM part number is 34900. 2 Protects WIF Sensor: This wrench tool eliminates the risk of damage to the WIF sensor, commonly caused by adjustable wrenches or pliers. It provides a more secure and effective grip, preserving the factory sensor's integrity. 3 Effective Servicing: Water in fuel sensor located in the bottom of the filter must be removed and reused in the new filter.This wrench's thin wall construction and comfortable grip ensure that you can service the water sensor without causing any damage to the filter. 4 Crafted from Premium Alloy Steel: The water sensor wrench is constructed from high strength alloy steel, which ensures its longevity and resistance to wear. This strength makes it an indispensable tool for any mechanic. 5 Excellent Long Term Use: Built to withstand a lifetime of use. It's ideal for professional workshops and garages, minimizing the need for frequent replacements and maximizing efficiency.Item Type: Water Sensor WrenchMaterial: Alloy steelOEM: 34900Fitment: Fit for 6.6L diesel engines. Also fits Trucks with for Cummins 6.7L engine. Package List1 x Water Sensor WrenchNotePlease double check the part number of your item, matching information is for reference only.